PokerSolver
PokerSolver/Fast-fold NL200 6-max 40bb/BB vs SB 4-bet 13.8bb

BB vs SB 4-bet 13.8bb

Fast-fold NL200 6-max ($1/$2) · 40bb · SB opens 3bb, BB 3-bets to 6bb, SB 4-bets to 13.8bb · Big blind to act

Fast-fold NL200 · 6-max · 40bbChange game
Stacks (bb), if they differ
Pot 19.8bbYour cards?
6bb
13.8bb

Tap your two cards.

Big blind's range

378 of 1,326 combos get here
Fold 67%Call 18.9%All-in 40bb 14%
Tap a hand, or type one above, to see its exact mix.

What is the GTO play for the big blind (BB) when SB opens 3bb, BB 3-bets to 6bb, SB 4-bets to 13.8bb in Fast-fold NL200 6-max at 40bb?

SB opens 3bb, BB 3-bets to 6bb, SB 4-bets to 13.8bb in Fast-fold NL200 6-max, 40bb: the big blind (BB) folds 67%, calls 18.9% and goes all-in 40bb 14%. Always call: AA, 66-77, ATs, KJs+, QTs+, KQo. Always all-in 40bb: TT-KK, AQs+. Mixed: 88, AJs, KTo.

Always fold
T4s-T5s, T2s, ATo, A4o-A6o, K7o, QJo, Q8o, J8o-J9o, T9o, 98o
Always call
AA, 66-77, ATs, KJs+, QTs+, KQo
Always all-in 40bb
TT-KK, AQs+
Mixed
88, AJs, KTo
Preset: Fast-fold, NL200 ($1/$2), 6-max, 40bb stacks, 5% rake capped at 3bb. Solver: HoldemResources Calculator (HRC) (HRC CI 24.4). A jackpot fee on bigger pots is not in this solve, so lines that build big pots may be slightly too loose. Bet sizes are the solved ones; a size that is not here plays like the nearest one.